var createError = require("http-errors");
var express = require("express");
var path = require("path");
var cookieParser = require("cookie-parser");
var logger = require("morgan");
const cors = require("cors");

var indexRouter = require("./routes/index");
var userInfoRouter = require("./routes/userInfo");
var registerRouter = require("./routes/register");
var uploadRouter = require("./routes/upload");
var fileDataRouter = require("./routes/fileData");
var getFileRouter = require("./routes/getFile");
var downloadFileRouter = require("./routes/downloadFile");

var app = express();

// view engine setup
app.set("views", path.join(__dirname, "views"));
app.set("view engine", "jade");

app.use(logger("dev"));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, "public")));

// app.use(express.urlencoded({ extended: true, limit: "50mb" })); // 设置编码为 utf-8
app.use(express.json());
app.use(cors());

app.use("/", indexRouter);
app.use("/userInfo", userInfoRouter);
app.use("/register", registerRouter);
app.use("/upload", uploadRouter);
app.use("/fileData", fileDataRouter);
app.use("/getFile", getFileRouter);
app.use("/downloadFile", downloadFileRouter);

// catch 404 and forward to error handler
app.use(function (req, res, next) {
  next(createError(404));
});

// error handler
app.use(function (err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get("env") === "development" ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render("error");
});

module.exports = app;
